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Silicon Laboratories SI2493/57/34/15/04 manual AEC Gain Calibration Dial Remote Telephone, Atz

Models: SI2493/57/34/15/04 SI2494/39

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AN93

Table 135. AEC Gain Calibration – Dial Remote Telephone

	Host to Modem	Modem to Host Result	Local Modem Actions
	Commands / Data	Codes/Data

	ATZ	OK	Reset the modem.

	AT+FCLASS=8	OK	Enter voice mode.

	AT:U1994	OK	Set SPCAL (U199 [2]) to enable calibration.

	AT*Y254:W591	OK	Enable the SSI interface to the Si3000.

			Configure Si3000 Register 1:
			Disable speaker driver
	AT:U72,0108	OK	Enable line output driver
			Disable telephone instrument driver
			Disable MBIAS output

			Configure Si3000 Register 5:
			10 dB Line In gain
			Enable Line In
	AT:U72,0597	OK	20 dB MIC input gain
			Mute MIC input
			Mute telephone instrument input
			Enable IIR filter

			Configure Si3000 Register 6:
	AT:U72,065E	OK	0 dB RX PGA gain
	AT:U72,065E	OK	Enable Line Out
			Enable Line Out
			Disable telephone instrument output

			Configure Si3000 Register 7:
	AT:U72,075E	OK	0 dB RX PGA gain
	AT:U72,075E	OK	Enable SPKRL
			Enable SPKRL
			Mute SPKRR

			Configure Si3000 Register 9:
	AT:U72,0900	OK	0 dB Line Out attenuation
			0 dB Speaker output attenuation

	AT:UB1,xxxx	OK	Use calibrated value from “Transmit Gain Calibration –
	AT:UB1,xxxx	OK	Speakerphone Disabled” section.
			Speakerphone Disabled” section.

	AT:UB5,xxxx	OK	Use calibrated value from “Receive Gain Calibration –
	AT:UB5,xxxx	OK	Speakerphone Disabled” section.
			Speakerphone Disabled” section.

			Setup off-hook voice mode. See Table 122 on page 198
	AT+VLS=13	OK	for details. This command will switch the modem to off-
			hook state.

	AT+VSP=1	OK	Enable speakerphone voice path. See Table 136 for
	AT+VSP=1	OK	details.
			details.

	[Dial Number]

218

Rev. 1.3

Image 218

Silicon Laboratories SI2493/57/34/15/04, SI2494/39 manual AEC Gain Calibration Dial Remote Telephone, Atz

Contents

Functional Block Diagram IntroductionAN93 Table of Contents AN93 AN93 AN93 AN93 Document Change List Contact Information Protocols Selection GuideModulations Protocol Function Si2494/93 Si2457 Si2439/34 Si2415 Si2404Release Carriers and TonesISOmodem Capabilities Part Numbers PackageModem System-Side Device Resetting the DeviceReset Sequence Reset Strapping General Considerations Mode Reset-Strap Pins Interface Input Clock Pin 5, RXD/MISO SOIC-16 Reset-Strap OptionsReset-Strap Options for 16-Pin Soic Package Reset-Strap Options for 24-Pin Tssop PackageTSSOP-24 UART-Interface Options TSSOP-24 Parallel-Interface OptionsReset Strapping Options for QFN Parts with Uart Operation TSSOP-24 SPI-Interface Clock-Frequency OptionsReset Strapping Options for QFN parts with SPI Operation Input ClkSystem Interface Pin Functions vs. Interface Mode SOIC-16Pin Functions vs. Interface Mode TSSOP-24 Pin Functions vs. Interface Mode QFN-38 Parallel-Interface Signals UART-Interface SignalsSPI-Interface Signals Ideal DTE Rate bps Actual DTE Rate bps Approximate Error% DTE RatesFlow Control Serial Formats Detected in Autobaud ModeSymbol Data bits Parity Stop bits PPD Can MonitorU70 Bit Function OCDUart Serial Interface Parallel and SPI Interface OperationTX Fifo Hardware Interface Register Bit Map Hardware Interface RegisterParallel Interface Operation Parallel Interface SignalsSignal Function Direction Parallel Interface Read Timing SPI Interface Operation Bit Function Meaning when High Meaning when LowSPI Control-and-Address Bit Definitions Interface Communication ModesWake-on-Ring Mode Low-Power ModesPower-Down Mode Sleep ModeClkout Fsync SDI SDO Reset SSI/Voice Mode 24-Pin Tssop and 38-Pin QFN OnlySignal Pin Number TSSOP-24 QFN-38 SSI Interface Pin ConnectionEeprom Status Register Any Other Bits are Unused Eeprom CommandsEeprom Interface 24-Pin Tssop and 38-Pin QFN Only Eeprom TimingEcsh Eecs Parameter Symbol Min Typ Max UnitEOZ Detailed Eeprom Examples Three-Wire SPI Interface to EepromBoot Commands Custom Defaults EepromBoot Command Example AT Command Macros Customized AT CommandsFirmware Upgrades AT Command Macro Example Autoloading Firmware Upgrade ExampleCombination Example Command FunctionCombination Example Ascii Chart Dec Hex DisplayHookswitch and DC Termination DAA Line-Side DeviceRinger Impedance and Threshold AC Termination Settings for the Si3018 Line-Side DeviceAC Termination Pulse Dialing and Spark QuenchingTypical Loop Voltage LVS Transfer Function LVCS40 Condition Ilim =Loop Current Transfer Function Legacy-Mode Line Voltage and Loop Current Measurement Billing Tone DetectionHardware Design Reference Power Supply and Bias CircuitryHookswitch and DC Termination Component FunctionsRinger Network Optional Billing-Tone FilterSymbol Value TIP From Line Ring DAAEMI/EMC Schematic Si3018/10 SchematicBill of Materials Component Value SuppliersLayout Guidelines Reference Placement Layout Items Required Layout ChecklistISOmodem Layout Check List AN93 Motherboard Design Module Design and Application ConsiderationsModule Design Modem Module VCC and Reset Filter Analog OutputAudio Filter Response Audio QualityModem Reference Guide ControllerCommand Action AT Command SetConfiguration Status DSPCommand Result Comment Command ExamplesMultiple AT Commands on a Single Line Command ResultBasic AT Command Set Consecutive U-Register Writes on a Single LineModifier EnableNo Patch AT Command Chip Revision ATI0 ATI1Revision C Patch rcpXYYYY AT Command Chip RevisionRevision B Patch rbpXYYYY ATI0Enable result codes See Table Speaker is always offCommand Action Verbal result codes Program RAM write this command is used to upload firmware +DRNONE Disabled+DR=X +DRV42B RDSpecifies the mode of operation when answer a modem Specifies the mode of operation when initiating a modemConnection = Disable synchronous access mode C,DSpecifies action taken if an underrun condition occurs = CRC generation checking disable= Nrzi encoding and decoding disabled During transparent sub-modeClass 1 Transmit Carrier United States default CountryAutomatically detect the baud rate +GCI?Fixed DTE Rate BPSITU-T V.34 default for Si2434 V22B ITU-T V.22bis default for Si2404V32B ITU-T V.32bis default for Si2415 ITU-T V.90 default for Si2457+PMHT=X Enable Short Phase 1 and Short Phase+PMHR=X +PQC=X= Off DCEs decide to use short startup procedures= After ring only Distinctive RingDTE/DCE Inactivity Timer Command Action Transmit Gain SelectionLoad Voice Factory Defaults ISOmodem on-hook. Aout disabled. Tone detecOK result code. Default time is 0 seconds Ringing Tone Goes Away TimerRinging Tone Never Appeared Timer Is five secondsVoice Compression Method Speakerphone AEC, AES and LEC disabledDtmf / Tone Duration Timer Signed PCMKbps max default for Si2415 Extended AT CommandsExtended AT& Command Set Kbps max default for Si2457 transmit and Si2434Only 56 kbps to 28 kbps TIP + ISOmodem answers a call in answer mode Extended AT% Command SetEnable V.42bis in transmit and receive paths Disable automatic line-in-use detectionExtended AT\ Command Set Mode is not allowed with a parallel or SPI interface\P0 Even \Q2 Use CTS only\V0 Report connect and protocol message \T9 Kbps4\T16 Autobaud On4 Result Codes Numeric1 Meaning Verbal ResponseNo Polarity Reversal StasPolarity Reversal Protocol NoneALTERNATE, +CLASS UN-OBTAINABLE NumberDisconnect Codes Disconnect Code ReasonRegister Descriptions Definition Register Function Default Range Units DecimalRegisters AsciiAll spaces 0s 2400 Symbols/second Symbol Rate Allowable Data RatesRegister Address Name Description Default Hex DT4B1 U0FDT4A0 DT4B2U2F U2EBmtt BdltU4F U4EPrdd FHTSasf V9AGGSamco SC0Bit-Mapped U-Register Summary Register Summary2. U00-U16 Dial Tone Detect Filter Registers Register Name Description DefaultU0-U16 Dial Tone Registers U17-U30 Busy Tone Detect Registers 3. U17-U30 Busy Tone Detect Filter Registers300/480 310/510 Default Busy and Dial ToneBPF Biquad Stage Output Scalar 320/630BPF Biquad Values 400/4404. U31-U33 Ringback Cadence Registers Ringback Cadence RegistersDial Tone Timing Register 5. U34-U35 Dial Tone Timing Register7. U46-U48 Dtmf Dial Registers Pulse Dial RegistersDtmf Dial Registers 9. U4D Modem Control Register 1-MOD1 Ring Detect Registers8. U49-U4C Ring Detect Registers Register U4D Bit Map Loop Current Debounce Registers Pre-Dial Delay Timer RegisterFlash Hook Time Register Transmit Level RegisterU62 Bit Map U53 Bit MapU54 Bit Map U63 Bit Map U65 Bit MapPDL Line-Side Chip Power Down17. U67-U6A International Configuration Registers = Normal operationU66 Bit Map U67 Bit MapU68 Bit Map 18. U6C Line-Voltage Status Register U6A Bit MapU6C Bit Map 19. U6E-U7D Modem Control and Interface RegistersPtmr U6E Bit MapU6F Bit Map U70 Bit Map U71 IO1 Bit D15 D14 D13 D12 D11 D10 Name Type Reset settings = BitDisables PCM mode Enables PCM mode Function 155 Reserved Read returns zeroU76 Bit Map U77 Bit MapU79 Bit Map Monitor Mode ValuesU78 Bit Map Adaptive Dialing U7A Bit Map= Normal Atdtw operation Pin indicates valid ring signal Synchronous Mode= Normal asynchronous mode Given time= ATZ enabled = Disables No Loop Current Detect= Timed calibration disabled 20. U80 Transmit Delay for V.22 Fast ConnectMinimal Transparency Special Error Reporting Mode= Ignore unrecognized in-band commands Framed Sub-Mode StartupFirmware Upgrades Load Technique and Speed Table Patch, 115 kbaud Uart Lines Reset, thenEscape Methods MethodEscape Pin Escape 1. +++ EscapeTh Bit Escape Enabling Error Correction/Data Compression Error CorrectionWire Mode To Enable Use AT CommandsSynchronous Mode Overview Legacy Synchronous DCE Mode/V.80 Synchronous Access Mode15. V.80 Mode Epos Electronic Point of Sale ApplicationsSynchronous Access Mode Settings AT\N0CRC Command Hex Supported Transmit Direction Receive DirectionIndicator pair Code Transparent Submode EM In-Band Commands and Statuses Supported Transmit Direction Receive Direction Fast Connect SettingsCommand Code Transparent SubmodeATDT12345 Connect 1200 Protocol None 0x190x190x110x11 Programming Examples Modem Feature vs. Hardware, AT Command and Register SettingFunction/Feature AT Commands Registers Quick ReferenceDC Termination Country-Dependent SetupDC Termination Control Bits Reg Bit Val FunctionCountry Initialization Table Country ConfigurationCountry Initialization Table Country InitializationAT+GCI=16 AT+GCI=AAT+GCI=F AT+GCI=9CAT+GCI=31 AT+GCI=26AT+GCI=27 AT+GCI=6CAT+GCI=42 AT+GCI=3CAT+GCI=3D AT+GCI=57 AT+GCI=46AT+GCI=53 AT+GCI=58AT+GCI=61 AT+GCI=59AT+GCI=0 AT+GCI=9FAT+GCI=69 AT+GCI=7BAT+GCI=89 AT+GCI=7EAT+GCI=82 AT+GCI=87AT+GCI=B8 AT+GCI=A0AT+GCI=FE AT+GCI=A5AT+GCI=A6 UAEAT+GCI=B4 International Call Progress Registers Dial Registers Line Interface/Control RegistersBlacklisting AT Command FunctionSpecial Requirements for Serbia and Montenegro S42 BlacklistingCaller ID Caller ID ModesJapan Caller ID SMS CommandsSMS Support Protocol150 Character Description Hexadecimal Value Ascii Value Type II Caller ID/SAS DetectionMdmf Parameters JohndoeSAS Tone Frequency SAS Cadence for Supported CountriesAustralia Country Tone Frequency Hz Cadence seconds RegistersAruba AustriaCyprus Country Tone Frequency Hz Cadence seconds Registers ChinaCroatia Czech RepublicHonduras GreeceGuyana Hong Kong064 0.436 IsraelJapan JordanLao P.D.R KiribatiKorea Republic LithuaniaPapua New Guinea NigeriaOman ParaguaySt. Lucia Country Tone Frequency Hz Cadence seconds Registers RussiaSt.-Kitts-and-Nevis Saudi ArabiaTrinidad SwedenTajikistan TobagoLine Not Present/In Use Indication Method 1-Fixed Intrusion/Parallel Phone DetectionOn-Hook Condition Loop Voltage ActionLine Not Present/In Use Indication Method 2-Adaptive Off-Hook ConditionATH1 Intrusion DetectionRegister Bits Name Function Initiating Modem-On-Hold Possible Responses to Pmhr Command from Remote ModemModem-On-Hold Value DescriptionHdlc Bit Errors on a Noisy Line Receiving Modem-On-Hold RequestsBeginning of Packet Bit ErrorsDCE Bit Errors Data Meaning0D 0A 4E 4F 20 43 52 49 45 52 0D 0A Overcurrent Detection Overcurrent DetectionPulse/Tone Dial Decision Register Bit Value FunctionAutomatic Phone Line Configuration 12. V.92 Quick Connect Telephone Voting ModePossible +PMHT Settings AT+PQC Parameters AT+PSS ParametersSoftware Reference Extended AT+ Command SetHandset, TAM, and Speakerphone Operation After ring only Command Action Caller ID TypeCaller ID Enable Distinctive Ring Cadence ReportingCommand Action Analog Source / Destination Selection +VTS command. Default time is 1 second dur = Command Action Ringing Tone Never Appeared TimerSpeakerphone AEC, AES and LEC disabled. Handset FIR filter Compression Selection MethodCommand Action Dtmf and Tone Generation Transmit Voice StreamCode Hex Simple Action Command Description DLE Commands DTE-to-DCEDLE Commands DTE-to-DCE Format DLECodeCode Hex Description DLE Simple Events DCE-to-DTEDLE Events DCE-to-DTE Simple Event Reporting SUB180 Complex Event Reporting Voice Mode U Registers AddressDescription Default Format DLEXResponseDLE DescriptionVoice Mode U Registers Register Address Name Description DefaultHRXFIR3 HRXFIR1HRXFIR2 HRXFIR4STXFIR3 STXFIR1STXFIR2 STXFIR4SRXFIR3 SRXFIR1SRXFIR2 SRXFIR4U19E U199 Bit DefinitionsVoice Reference-Overview TAM, Handset, and Speakerphone Voice Paths Rev 189 Voice Mode Operations +FCLASS=8 +VTX +VRX +VSP +VTSDTR off &D2 Input Current Modem Settings Command orEvent +VNH = ATH or ATZ orSi3000 Configuration System Voice Modes TAM PstnInitialization Initialization SequenceRev 195 Overview Handset ConfigurationHandset AT+VSP=0 AT+VLS=0AT+VLS=13 Handset Automatic Pulse Dial Handset Automatic Tone DialHandset Manual Off-Hook Dial AT+VLS=14 Handset to TAM Hands-Free TransitionTerminate AT+VSP=1 Handset to Speakerphone TransitionSpeakerphone Transition NAME=JONES Jennifer Telephone Answering MachineLocal Ring Notification with Type I CID Event ATU199&FFFD TAM Hands-Free Record OGMRecord OGM AT+VRX ConnectRecord Local ICM TAM Hands-Free Review OGMReview OGM Review ICMTAM Handset Record OGM Trigger receive operation. The first byte TAM Handset Review OGM AT+VSM=4 TAM Pstn Normal Answer OGM Playback with ICM Record Normal Answer OGM Playback with ICM RecordAT+VLS=15 ICMInterrupted Answer OGM Playback with Dtmf Menu Entry DLE1 Dtmf 1 digit detected Speakerphone Simplex SpeakerphoneSimplex Speakerphone U Registers Register Name Description Default ValueTransmit Gain Calibration-Speakerphone Disabled External Microphone/Speaker CalibrationTransmit Gain Configuration Transmit/Receive Gain Calibration Dial Remote Telephone AT+FCLASS=8Receive Gain Configuration Receive Gain Reference MeasurementsSpeakerphone Calibration-AEC Gain Calibration Reg Name Bit U19EAEC Gain Calibration Dial Remote Telephone Speakerphone Configuration Speakerphone ConfigurationSimplex Speakerphone Configuration Speakerphone Manual Off-Hook Dial Simplex Speakerphone ConfigurationSpeakerphone Automatic Tone Dial Call-Automatic Tone DialCall-Automatic Pulse Dial Speakerphone Automatic Pulse DialSpeakerphone to Handset Transition Termination GlossaryReferences Security Protocols Implementing the SIA ProtocolConsiderations when Disconnecting the Session AT+F0AT+F3 AT+F1AT+F2 AT+F4Result Code Meaning Remarks Implementing the Ademco Contact ID Protocol Modem Specific Implementation Details Ademco Contact ID Protocol Tone Transmission AT CommandsDtmf Digit Low Tone Hz High Tone Hz Contact ID AT Command KissoffHandshake Tone Detection Ademco Mode of OperationStep DTE-to-Modem Command Modem-to-DTE Remarks Indication Event Modem-to-DTE indication RemarksMessage Delay 250 ms before transmitting Data TonesWait for Receiver to answer with handshake tones Wait for Kissoff tone ATHRev 233 Chinese ePOS SMS SMS Message FormatAT Command ISOmodem Response Description SMS AT Command SetAT Commands for SMS +FCLASS=256User Registers for SMS Operations Register Bits Name Description Default Hex= Auto Mode SMS User RegistersCrlfconnect Crlf ProcedureExample Connect 1CRLF ResponseDleetxcrlfno Carriercrlf Connect 2CRLFExample Session DleetxcrlfokcrlfPOS SMS Process in Host and Modem Testing and Diagnostics Prototype Bring-Up Si3018/10 Register Configurations  Inappropriate Commands Command Timing Host Interface TroubleshootingComponent Troubleshooting Isolation Capacitor Troubleshooting10.1.6. Si3018/10 Troubleshooting  Connect Evaluation Board to Prototype SystemTest the Host Interface EVBTest the Prototype Si3018/10 Circuitry Si3018/10 Typical Voltages Resistance to Si3018/10 Pin Si3018/10 ResistanceFB1 FB2 RV1 Resistance across ComponentsVoltages across Components with Diode Checker Component VoltageSelf Test Loop Test CircuitBoard Test Bell 103-V.34 Modem Functional Test ConnectionModem Under Test Teltone ILSIsdn Modem Test CoverageAT Command/Test Method Desired Response Compliance TestingAT Commands for Compliance Testing 29 Data Rate Symbol/Data RateS41 Symbol Rate Allowable Data Rates Transmit Modulation Data RateSafety SurgesAM-Band Interference Published Coilcraft TRF-RJ11 Filter PerformanceDebugging the DTE interface Debugging the DTE InterfaceAppendix A-EPOS Applications ModulationRecommendation 0xFF 0x19 0xA0 0x19 0xB1 ISOmodem in Epos Applications ISOmodem V.80 Protocol Hdlc Framing in Framed Sub-ModeAT&D2 Setup procedure29 FastPOS Sample Program AT+FCLASS=1How to use the program Example Program in C/C++Rev 263 264 Rev 265 True Rev 267 = Rtscontrolenable Rev 269 270 RTS not RTS signal FastPOS Detailed Wave FilesFastPOS DTE Trace Hardware Setup When to Use Audio RecordingTimes When Audio Recording May Not Help Setting PC Microphone Input for Recording Windows NT Larger of the two jacks 3.5 mm carries audio to the PCSetting PC Microphone Input for Recording Windows Sounds and Multimedia PropertiesSetting PC Microphone Input for Recording Windows XP Multimedia PropertiesSounds and Audio Devices Properties Making the Recording with Adobe Audition or WaveSurfer Sound RecorderAudio Playback and Analysis Adobe Audition Temporal View of a Good V.22 TransactionAdobe Audition Spectral View of a Good V.22 Transaction Band Spectral Display Audio-Recording Pitfalls Recording Made at Excessive LevelDetails of Some Low-Speed Protocols Appearance of Bell 212 ProtocolAppearance of V.22 bis Protocol Appearance of V.29 FastPOS Protocol Examples of Epos Server Misbehavior Example of Epos Server Misbehavior Examples of Line Impairments Dtmf Distorted by Low Line LevelPower Line Related Noise Appendix C-PARALLEL/SPI Interface Software Implementation MCU Software Description Hardware Access LayerInterrupt Service and Polling Layer  MCUhardware.c  modemhardware.cRXF Interrupt Receive Fifo Almost Full Interrupt Service Routine ISR MethodPolling HIR1 Method U70 Interrupt Timer Interrupt Receive Fifo Not EmptyTXE Interrupt Transmit Fifo Almost Empty Parallel- or SPI-Port Interrupt-Service Flowchart Buffer Management, Status and Control Layer Buffer ManagementCircular-Buffer Flowchart Application Layer Sample Application Status and ControlMaking a Connection Compiler Option Dot CommandsModem Operation Data BurstsModem Interrupt Service Sample Code Sfrpagesave = SfrpageRev 301 302 Revision 0.7 to Revision Revision 0.5 to RevisionRevision 0.6 to Revision Revision 0.8 to RevisionContact Information